[SVE][Inline-Asm] Add constraints for SVE ACLE types
Summary:
Adds the constraints described below to ensure that we
can tie variables of SVE ACLE types to operands in inline-asm:
- y: SVE registers Z0-Z7
- Upl: One of the low eight SVE predicate registers (P0-P7)
- Upa: Full range of SVE predicate registers (P0-P15)
Reviewers: sdesmalen, huntergr, rovka, cameron.mcinally, efriedma, rengolin
Reviewed By: efriedma
Subscribers: miyuki, tschuett, rkruppe, psnobl, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D75690
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
index 1188ea3..ad8ebd2 100644
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -4496,8 +4496,9 @@
// Update the largest vector width if any arguments have vector types.
for (unsigned i = 0; i < IRCallArgs.size(); ++i) {
if (auto *VT = dyn_cast<llvm::VectorType>(IRCallArgs[i]->getType()))
- LargestVectorWidth = std::max((uint64_t)LargestVectorWidth,
- VT->getPrimitiveSizeInBits().getFixedSize());
+ LargestVectorWidth =
+ std::max((uint64_t)LargestVectorWidth,
+ VT->getPrimitiveSizeInBits().getKnownMinSize());
}
// Compute the calling convention and attributes.
@@ -4611,8 +4612,9 @@
// Update largest vector width from the return type.
if (auto *VT = dyn_cast<llvm::VectorType>(CI->getType()))
- LargestVectorWidth = std::max((uint64_t)LargestVectorWidth,
- VT->getPrimitiveSizeInBits().getFixedSize());
+ LargestVectorWidth =
+ std::max((uint64_t)LargestVectorWidth,
+ VT->getPrimitiveSizeInBits().getKnownMinSize());
// Insert instrumentation or attach profile metadata at indirect call sites.
// For more details, see the comment before the definition of
diff --git a/clang/lib/CodeGen/CGStmt.cpp b/clang/lib/CodeGen/CGStmt.cpp
index a334bab..49f1725 100644
--- a/clang/lib/CodeGen/CGStmt.cpp
+++ b/clang/lib/CodeGen/CGStmt.cpp
@@ -2095,8 +2095,9 @@
// Update largest vector width for any vector types.
if (auto *VT = dyn_cast<llvm::VectorType>(ResultRegTypes.back()))
- LargestVectorWidth = std::max((uint64_t)LargestVectorWidth,
- VT->getPrimitiveSizeInBits().getFixedSize());
+ LargestVectorWidth =
+ std::max((uint64_t)LargestVectorWidth,
+ VT->getPrimitiveSizeInBits().getKnownMinSize());
} else {
ArgTypes.push_back(Dest.getAddress(*this).getType());
Args.push_back(Dest.getPointer(*this));
@@ -2120,8 +2121,9 @@
// Update largest vector width for any vector types.
if (auto *VT = dyn_cast<llvm::VectorType>(Arg->getType()))
- LargestVectorWidth = std::max((uint64_t)LargestVectorWidth,
- VT->getPrimitiveSizeInBits().getFixedSize());
+ LargestVectorWidth =
+ std::max((uint64_t)LargestVectorWidth,
+ VT->getPrimitiveSizeInBits().getKnownMinSize());
if (Info.allowsRegister())
InOutConstraints += llvm::utostr(i);
else
@@ -2207,8 +2209,9 @@
// Update largest vector width for any vector types.
if (auto *VT = dyn_cast<llvm::VectorType>(Arg->getType()))
- LargestVectorWidth = std::max((uint64_t)LargestVectorWidth,
- VT->getPrimitiveSizeInBits().getFixedSize());
+ LargestVectorWidth =
+ std::max((uint64_t)LargestVectorWidth,
+ VT->getPrimitiveSizeInBits().getKnownMinSize());
ArgTypes.push_back(Arg->getType());
Args.push_back(Arg);